Fix typos on Roles section: examples provided does not work (#53)

diff --git a/source/accounts.rst b/source/accounts.rst
index 4f41647..5d4615d 100644
--- a/source/accounts.rst
+++ b/source/accounts.rst
@@ -171,9 +171,14 @@
 
 Examples:
 
-sudo python /usr/share/cloudstack-common/scripts/util/migrate-dynamicroles.py -u cloud -p cloud -h localhost -p 3006 -f /etc/cloudstack/management/commands.properties
+.. sourcecode:: bash
 
-sudo python /usr/share/cloudstack-common/scripts/util/migrate-dynamicroles.py -u cloud -p cloud -h localhost -p 3006 -D
+   sudo python /usr/share/cloudstack-common/scripts/util/migrate-dynamicroles.py -u cloud -p cloud -H localhost -P 3006 -f /etc/cloudstack/management/commands.properties
+
+.. sourcecode:: bash
+   
+   sudo python /usr/share/cloudstack-common/scripts/util/migrate-dynamicroles.py -u cloud -p cloud -H localhost -P 3006 -D
+
 
 If you've multiple management servers, remove or rename the commands.properties
 file on the management servers typically in /etc/cloudstack/management path,